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+/*****************************************************************
+ KWin - the KDE window manager
+ This file is part of the KDE project.
+
+Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
+Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
+
+You can Freely distribute this program under the GNU General Public
+License. See the file "COPYING" for the exact licensing terms.
+******************************************************************/
+
+#ifndef KWIN_UTILS_H
+#define KWIN_UTILS_H
+
+#include <tqvaluelist.h>
+#include <tqwidget.h>
+#include <kmanagerselection.h>
+#include <netwm_def.h>
+#include <tdeshortcutdialog.h>
+
+namespace KWinInternal
+{
+
+const int SUPPORTED_WINDOW_TYPES_MASK = NET::NormalMask | NET::DesktopMask | NET::DockMask
+ | NET::ToolbarMask | NET::MenuMask | NET::DialogMask /*| NET::OverrideMask*/ | NET::TopMenuMask
+ | NET::UtilityMask | NET::SplashMask;
+
+const long ClientWinMask = KeyPressMask | KeyReleaseMask |
+ ButtonPressMask | ButtonReleaseMask |
+ KeymapStateMask |
+ ButtonMotionMask |
+ PointerMotionMask | // need this, too!
+ EnterWindowMask | LeaveWindowMask |
+ FocusChangeMask |
+ ExposureMask |
+ StructureNotifyMask |
+ SubstructureRedirectMask;
+
+const TQPoint invalidPoint( INT_MIN, INT_MIN );
+
+class Client;
+class Group;
+class Options;
+
+typedef TQValueList< Client* > ClientList;
+typedef TQValueList< const Client* > ConstClientList;
+
+typedef TQValueList< Group* > GroupList;
+typedef TQValueList< const Group* > ConstGroupList;
+
+extern Options* options;
+
+enum Layer
+ {
+ UnknownLayer = -1,
+ FirstLayer = 0,
+ DesktopLayer = FirstLayer,
+ BelowLayer,
+ NormalLayer,
+ DockLayer,
+ AboveLayer,
+ ActiveLayer, // active fullscreen, or active dialog
+ NumLayers // number of layers, must be last
+ };
+
+// yes, I know this is not 100% like standard operator++
+inline void operator++( Layer& lay )
+ {
+ lay = static_cast< Layer >( lay + 1 );
+ }
+
+// for Client::takeActivity()
+enum ActivityFlags
+ {
+ ActivityFocus = 1 << 0, // focus the window
+ ActivityFocusForce = 1 << 1, // focus even if Dock etc.
+ ActivityRaise = 1 << 2 // raise the window
+ };
+
+// Some KWin classes, mainly Client and Workspace, are very tighly coupled,
+// and some of the methods of one class may be called only from speficic places.
+// Those methods have additional allowed_t argument. If you pass Allowed
+// as an argument to any function, make sure you really know what you're doing.
+enum allowed_t { Allowed };
+
+// some enums to have more readable code, instead of using bools
+enum ForceGeometry_t { NormalGeometrySet, ForceGeometrySet };
+
+// Areas, mostly related to Xinerama
+enum clientAreaOption
+ {
+ PlacementArea, // geometry where a window will be initially placed after being mapped
+ MovementArea, // ??? window movement snapping area? ignore struts
+ MaximizeArea, // geometry to which a window will be maximized
+ MaximizeFullArea, // like MaximizeArea, but ignore struts - used e.g. for topmenu
+ FullScreenArea, // area for fullscreen windows
+ // these below don't depend on xinerama settings
+ WorkArea, // whole workarea (all screens together)
+ FullArea, // whole area (all screens together), ignore struts
+ ScreenArea // one whole screen, ignore struts
+ };
+
+enum ShadeMode
+ {
+ ShadeNone, // not shaded
+ ShadeNormal, // normally shaded - isShade() is true only here
+ ShadeHover, // "shaded", but visible due to hover unshade
+ ShadeActivated // "shaded", but visible due to alt+tab to the window
+ };
+
+class Shape
+ {
+ public:
+ static bool available() { return twin_shape_version > 0; }
+ static int version() { return twin_shape_version; } // as 16*major+minor, i.e. two hex digits
+ static bool hasShape( WId w);
+ static int shapeEvent();
+ static void init();
+ private:
+ static int twin_shape_version;
+ static int twin_shape_event;
+ };
+
+// compile with XShape older than 1.0
+#ifndef ShapeInput
+const int ShapeInput = 2;
+#endif
+
+class Motif
+ {
+ public:
+ static void readFlags( WId w, bool& noborder, bool& resize, bool& move,
+ bool& minimize, bool& maximize, bool& close );
+ struct MwmHints
+ {
+ ulong flags;
+ ulong functions;
+ ulong decorations;
+ long input_mode;
+ ulong status;
+ };
+ enum {
+ MWM_HINTS_FUNCTIONS = (1L << 0),
+ MWM_HINTS_DECORATIONS = (1L << 1),
+
+ MWM_FUNC_ALL = (1L << 0),
+ MWM_FUNC_RESIZE = (1L << 1),
+ MWM_FUNC_MOVE = (1L << 2),
+ MWM_FUNC_MINIMIZE = (1L << 3),
+ MWM_FUNC_MAXIMIZE = (1L << 4),
+ MWM_FUNC_CLOSE = (1L << 5)
+ };
+ };
+
+class KWinSelectionOwner
+ : public TDESelectionOwner
+ {
+ Q_OBJECT
+ public:
+ KWinSelectionOwner( int screen );
+ protected:
+ virtual bool genericReply( Atom target, Atom property, Window requestor );
+ virtual void replyTargets( Atom property, Window requestor );
+ virtual void getAtoms();
+ private:
+ Atom make_selection_atom( int screen );
+ static Atom xa_version;
+ };
+
+// Class which saves original value of the variable, assigns the new value
+// to it, and in the destructor restores the value.
+// Used in Client::isMaximizable() and so on.
+// It also casts away contness and generally this looks like a hack.
+template< typename T >
+class TemporaryAssign
+ {
+ public:
+ TemporaryAssign( const T& var, const T& value )
+ : variable( var ), orig( var )
+ {
+ const_cast< T& >( variable ) = value;
+ }
+ ~TemporaryAssign()
+ {
+ const_cast< T& >( variable ) = orig;
+ }
+ private:
+ const T& variable;
+ T orig;
+ };
+
+TQCString getStringProperty(WId w, Atom prop, char separator=0);
+void updateXTime();
+void grabXServer();
+void ungrabXServer();
+bool grabbedXServer();
+
+// the docs say it's UrgencyHint, but it's often #defined as XUrgencyHint
+#ifndef UrgencyHint
+#define UrgencyHint XUrgencyHint
+#endif
+
+// for STL-like algo's
+#define KWIN_CHECK_PREDICATE( name, check ) \
+struct name \
+ { \
+ inline bool operator()( const Client* cl ) { return check; }; \
+ }
+
+#define KWIN_COMPARE_PREDICATE( name, type, check ) \
+struct name \
+ { \
+ typedef type type_helper; /* in order to work also with type being 'const Client*' etc. */ \
+ inline name( const type_helper& compare_value ) : value( compare_value ) {}; \
+ inline bool operator()( const Client* cl ) { return check; }; \
+ const type_helper& value; \
+ }
+
+#define KWIN_PROCEDURE( name, action ) \
+struct name \
+ { \
+ inline void operator()( Client* cl ) { action; }; \
+ }
+
+KWIN_CHECK_PREDICATE( TruePredicate, cl == cl /*true, avoid warning about 'cl' */ );
+
+template< typename T >
+Client* findClientInList( const ClientList& list, T predicate )
+ {
+ for ( ClientList::ConstIterator it = list.begin(); it != list.end(); ++it)
+ {
+ if ( predicate( const_cast< const Client* >( *it)))
+ return *it;
+ }
+ return NULL;
+ }
+
+inline
+int timestampCompare( Time time1, Time time2 ) // like strcmp()
+ {
+ return NET::timestampCompare( time1, time2 );
+ }
+
+inline
+Time timestampDiff( Time time1, Time time2 ) // returns time2 - time1
+ {
+ return NET::timestampDiff( time1, time2 );
+ }
+
+bool isLocalMachine( const TQCString& host );
+
+void checkNonExistentClients();
+
+#ifndef KCMRULES
+// Qt dialogs emit no signal when closed :(
+class ShortcutDialog
+ : public TDEShortcutDialog
+ {
+ Q_OBJECT
+ public:
+ ShortcutDialog( const TDEShortcut& cut );
+ virtual void accept();
+ virtual void hide();
+ signals:
+ void dialogDone( bool ok );
+ protected:
+ virtual void done( int r ) { TDEShortcutDialog::done( r ); emit dialogDone( r == Accepted ); }
+ };
+#endif
+
+} // namespace
+
+#endif